52 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... unidirectonal nystagmus ... symptoms/signs, ... bidirectional nystagmus ... #Neurology #Differential
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... for a CENTRAL cause ... Bidirectional #Nystagmus ... #HINTS #PhysicalExam ... Video #Positive #Neurology
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... for a PERIPHERAL cause ... Unidirectional #Nystagmus ... #HINTS #PhysicalExam ... Video #Negative #Neurology
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... #ocular #physicalexam ... clinical #video #neurology ... #ophthalmology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... with vascular causes ... • Nystagmus: ... positional episodes caused ... differential #diagnosis #neurology
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
a patient with vertigo ... for a CENTRAL cause ... of vertigo. ... #Test #HINTS #PhysicalExam ... Clinical #Video #Neurology
HINTS Exam - Normal Test of Skew (Normal Vertical Skew)

In a patient with vertigo symptoms, this
a patient with vertigo ... for a PERIPHERAL cause ... of vertigo. ... #Test #HINTS #PhysicalExam ... Clinical #Video #Neurology
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Test = Central Cause ... for a CENTRAL cause ... of vertigo. ... #Test #HINTS #PhysicalExam ... Clinical #Video #Neurology
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Test = Peripheral Cause ... for a PERIPHERAL cause ... of vertigo. ... #Test #HINTS #PhysicalExam ... Clinical #Video #Neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... with vascular causes ... circulation TIA • Nystagmus ... diagnosis #findings #signs ... symptoms #comparison #neurology